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OpenStudy is a social learning network where students ask questions, give help, and connect with other students studying the same things. Our mission is to make the world one large study group, regardless of school, location, or background.

Stack Exchange is a fast-growing network of 83 question and answer sites on diverse topics from software programming to cooking to photography and gaming. We are an expert knowledge exchange: a place where physics researchers can ask each other about quantum entanglement, computer programmers can ask about JavaScript date formats, and photographers can share knowledge about taking great pictures in the snow.